package com.zy.mall.service;


import com.zy.mall.entity.ShoppingCart;
import com.zy.mall.po.ResultVo;

public interface ShoppingCartService {

    public ResultVo addShoppingCart(ShoppingCart cart);

    public ResultVo listShoppingCartsByUserId(int userId);

    public ResultVo updateCartNum(int cartId,int cartNum);

    public ResultVo listShoppingCartsByCids(String cids);

}
